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First received: November 13, 2025

Clinical Trial: Paired Comparison of SVV and PVI Accuracy

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Perioperative Care
Fluid Therapy
Monitoring, Physiologic
Hemodynamics
Laparoscop

Study Type: OBSERVATIONAL


Official Title: Diagnostic Accuracy of Stroke Volume Variation (SVV) vs Pleth Variability Index (PVI) for Predicting Fluid Responsiveness in Laparoscopic Major Abdominal Surgery-A Prospective, Paired, Cohort Study

Brief Summary: This study will compare two operating-room monitors-stroke volume variation (SVV, from the arterial line) and the Pleth Variability Index (PVI, from the pulse oximeter)-to see which one more accurately predicts whether giving a small fluid bolus will improve the heart's pumping during laparoscopic major abdominal surgery. Adults having elective surgery under general anesthesia will receive two small, timed 250-mL crystalloid infusions as part of routine care (one before and one after creation of the…

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